\begin{table}
\centering
\begin{tabular}{|c||c|c|c|}
\hline

w = 8	& test 0	& test 1	&test 2 \\
tables, GPU	&0.69&	0.69&	0.97 \\
no tables, GPU	&0.28&	0.28	&0.44 \\
\hline \hline			
w = 16	&test 0	&test 1	&test 2 \\
tables, GPU	&0.53	&0.53&	0.58 \\
no tables, GPU	&1.06&	1.07&	1.04 \\
\hline \hline			
w = 32	&test 0	&test 1&	test 2 \\
tables, GPU	&1.19	&1.19	&1.16 \\
no tables, GPU&	1.46	&1.46&	1.40 \\
\hline
\end{tabular} 
\caption{Speedup achieved for all arithmetic tests} 
\label{tab:arithmeticspeedup} 
\end{table} 
	
\begin{table}
\centering
\begin{tabular}{|c||c|c|}
\hline			
w=32	&arith	&total	 \\
enc tables	&0.84	&1.10	\\
enc no tables	&0.70&	0.98	 \\
dec tables	&0.62	&0.82	\\
dec no tables	&0.84&	0.93	\\
\hline	\hline		
w=8	&arith	&total	\\
enc tables&	0.73&	1.20	\\
enc no tables&	0.34&	0.89	\\
dec tables&	0.68	&0.84	\\
dec no tables	&0.41	&0.60	\\
\hline \hline			
w = 16	&arith	&total	\\
enc tables	&0.92	&0.91	\\
enc no tables&	0.47&	0.81	\\
dec tables	&0.92	&0.95	\\
dec no tables&	0.65	&0.83	\\
\hline
\end{tabular} 
\caption{Speedup achieved for all encoding and decoding tests} 
\label{tab:encdec_speedup} 
\end{table} 